[Make] refactor build script to use config file

make/config.mk

@@ -0,0 +1,48 @@
+#-----------------------------------------------------
+#  xgboost: the configuration compile script
+#
+#  If you want to change the configuration, please use the following
+#  steps. Assume you are on the root directory of xgboost.
+#  First copy the this file so that any local changes will be ignored by git
+#
+#  $ cp make/config.mk .
+#
+#  Next modify the according entries, and then compile by
+#
+#  $ make
+#
+#  or build in parallel with 8 threads
+#
+#  $ make -j8
+#----------------------------------------------------
+
+# choice of compiler, by default use system preference.
+# export CC = gcc
+# export CXX = g++
+# export MPICXX = mpicxx
+
+# the additional link flags you want to add
+ADD_LDFLAGS =
+
+# the additional compile flags you want to add
+ADD_CFLAGS =
+
+# Whether enable openmp support, needed for multi-threading.
+USE_OPENMP = 1
+
+# whether use HDFS support during compile
+USE_HDFS = 0
+
+# whether use AWS S3 support during compile
+USE_S3 = 0
+
+# whether use Azure blob support during compile
+USE_AZURE = 0
+
+# Rabit library version,
+# - librabit.a Normal distributed version.
+# - librabit_empty.a Non distributed mock version,
+LIB_RABIT = librabit.a
+
+# path to libjvm.so
+LIBJVM=$(JAVA_HOME)/jre/lib/amd64/server

make/minimum.mk

@@ -0,0 +1,22 @@
+#-----------------------------------------------------
+# xgboost: minumum dependency configuration,
+# see config.mk for template.
+#----------------------------------------------------
+
+# Whether enable openmp support, needed for multi-threading.
+USE_OPENMP = 0
+
+# whether use HDFS support during compile
+USE_HDFS = 0
+
+# whether use AWS S3 support during compile
+USE_S3 = 0
+
+# whether use Azure blob support during compile
+USE_AZURE = 0
+
+# Rabit library version,
+# - librabit.a Normal distributed version.
+# - librabit_empty.a Non distributed mock version,
+LIB_RABIT = librabit_empty.a
+